A B C D E F G H I J 32 56 Ø9 Ø8 Ø8 Ø8 70 70 70 70 Suited for: Manufacturer Model Engine Engine code Series Model type Type description Year Technical info MERCEDES-BENZ S400 3.5 (3498ccm) Full Hybrid/petrol 272974 W221 Long 221095/221195 2008 - 2013 AMP: 180 Volt: for vehicles with 12V main current Pulley Type: with multi-belt pulley Pulley Dia.: 56,0mm Pulley Grooves: 6